Several commercial products are available that offer external keyboards and even projection of virtual keyboards onto any flat surface.
现在有几个商业产品提供了外置键盘，甚至是虚拟键盘投影仪，可以投射到任意平坦的界面上。
2
The animistic mode of thinking is governed by what Freud called the omnipotence of thoughts, a projection of inner mental life onto the external world.